def calculate(self):
symbols = self.arg_widget.get_symbol_input()
discount = self.arg_widget.get_control_input('discount')
for symbol in symbols:
if discount is None:
discount = markets.cost_of_equity(
ticker=symbol,
start_date=self.arg_widget.get_control_input('start_date'),
end_date=self.arg_widget.get_control_input('end_date'))
dividends = services.get_dividend_history(ticker=symbol)
cashflow = Cashflow(sample=dividends, discount_rate=discount)
graph_widget = components.GraphWidget(
tmp_graph_key=
f'{keys.keys["GUI"]["TEMP"]["DIVIDEND"]}_{symbol}',
layer=utilities.get_next_layer(self.objectName()))
plotter.plot_cashflow(
ticker=symbol,
cashflow=cashflow,
show=False,
savefile=
f'{settings.TEMP_DIR}/{keys.keys["GUI"]["TEMP"]["DIVIDEND"]}_{symbol}'
)
graph_widget.set_pixmap()
self.tab_widget.addTab(graph_widget, f'{symbol} DDM PLOT')
self.tab_widget.show()
self.arg_widget.fire()
def _init_widgets(self):
self.graph_widget = components.GraphWidget(
tmp_graph_key=keys.keys['GUI']['TEMP']['FRONTIER'],
layer=utilities.get_next_layer(self.objectName()))
self.arg_widget = components.ArgumentWidget(
calculate_function=self.calculate,
clear_function=self.clear,
controls=self.controls,
layer=utilities.get_next_layer(self.objectName()))
self.setLayout(QtWidgets.QHBoxLayout())
def _init_widgets(self):
self.graph_widget = components.GraphWidget(
keys.keys['GUI']['TEMP']['AVERAGES'],
layer=utilities.get_next_layer(self.objectName()))
self.arg_widget = components.ArgumentWidget(
calculate_function=self.calculate,
clear_function=self.clear,
controls=self.controls,
layer=utilities.get_next_layer(self.objectName()),
mode=components.SYMBOLS_SINGLE)
self.setLayout(QtWidgets.QHBoxLayout())
def _init_widgets(self):
self.graph_widget = components.GraphWidget(
tmp_graph_key=keys.keys['GUI']['TEMP']['YIELD'],
layer=utilities.get_next_layer(self.objectName()))
self.arg_widget = components.ArgumentWidget(
calculate_function=self.calculate,
clear_function=self.clear,
controls=self.controls,
layer=utilities.get_next_layer(self.objectName()),
mode=components.SYMBOLS_NONE)
# TODO: initialize arg widget WITHOUT tickers
self.setLayout(QtWidgets.QHBoxLayout())
def calculate(self):
symbols = self.arg_widget.get_symbol_input()
start_date = self.arg_widget.get_control_input('start_date')
end_date = self.arg_widget.get_control_input('end_date')
for symbol in symbols:
qq_plot = components.GraphWidget(
tmp_graph_key=f'{keys.keys["GUI"]["TEMP"]["QQ"]}_{symbol}',
layer=utilities.get_next_layer(self.objectName()))
dist_plot = components.GraphWidget(
tmp_graph_key=f'{keys.keys["GUI"]["TEMP"]["DIST"]}_{symbol}',
layer=utilities.get_next_layer(self.objectName()))
returns = statistics.get_sample_of_returns(ticker=symbol,
start_date=start_date,
end_date=end_date,
daily=True)
qq_series = estimators.qq_series_for_sample(sample=returns)
plotter.plot_qq_series(
ticker=symbol,
qq_series=qq_series,
show=False,
savefile=
f'{settings.TEMP_DIR}/{keys.keys["GUI"]["TEMP"]["QQ"]}_{symbol}'
)
plotter.plot_return_histogram(
ticker=symbol,
sample=returns,
show=False,
savefile=
f'{settings.TEMP_DIR}/{keys.keys["GUI"]["TEMP"]["DIST"]}_{symbol}',
)
dist_plot.set_pixmap()
qq_plot.set_pixmap()
self.tab_widget.addTab(qq_plot, f'{symbol} QQ Plot')
self.tab_widget.addTab(dist_plot, f'{symbol} Distribution')
self.tab_widget.show()
self.arg_widget.fire()